General Description
The AAT4280A SmartSwitch™ is a member of AnalogicTechs Application Specific Power MOSFET™ (ASPM™) product family. The AAT4280A is a P-channel MOSFET power switch designed for high-side load-switching applications. The device has a typical RDS(ON) of 80mΩ, allowing increased load switch power handling capacity and is available in three different versions with flexible turn-on and turn-off characteristics -- from very fast to slew rate limited.

FEATUREs
• 1.5V to 5.5V Input Voltage Range
• Very Low RDS(ON), Typically 80mΩ (5V)
• Slew Rate Limited Turn-On Time Options
    — 1ms
    — 0.5µs
    — 100µs
• Fast Shutdown Load Discharge Option
• Low Quiescent Current
    — 25nA (typ)
• TTL/CMOS Input Logic Level
• Temperature Range: -40ºC to +85°C
• 4kV ESD Rating
• 8-Pin SC70JW Package

APPLICATIONs
• Cellular Telephones
• Digital Still Cameras
• Hot Swap Supplies
• Notebook Computers
• Personal Communication Devices
• Personal Digital Assistants (PDAs)